package main

import (
	"encoding/json"
	"errors"
	"log"
	"net"
	"os"
)

var clients []*Device
var storedClients []StoredClient

func main() {
	clients = make([]*Device, 0)
	data, err := os.ReadFile("clients.json")
	if err != nil {
		panic(err)
	}
	err = json.Unmarshal(data, &storedClients)
	if err != nil {
		panic(err)
	}

	// Create a connection to the server
	addr, err := net.ResolveTCPAddr("tcp", "0.0.0.0")

	if err != nil {
		log.Fatal("Error resolving address " + err.Error())
	}
	listen, err := net.ListenTCP("tcp", addr)
	if err != nil {
		log.Fatal(err)
	}
	// close listener
	defer func(listen *net.TCPListener) {
		_ = listen.Close()
	}(listen)
	go func() {
		for {
			conn, err := listen.AcceptTCP()
			if err != nil {
				var opErr *net.OpError
				if errors.As(err, &opErr) && opErr.Err.Error() == "use of closed network connection" {
					log.Println("Listener closed, stopping server.")
					return
				}
				log.Println("Error accepting connection:", err)
				continue
			}
			go handleRequest(conn)
		}
	}()
}